FLORA OF YO SEMITE 
247 
Fig. 2. Mirror Fake in the Yosemite with pine and fir in back ground. 
with it in the moist canyons the large leaved maple ( Acer 
macro phy Hum) and an occasional stinking yew ( Tumion Calif or- 
nicum), which is a rather rare tree, and unique among the Cali- 
fornia conifers. The Douglas fir ( Pseudotsuga taxifolia) also ap- 
pears as well as the incense cedar ( Libocedrus decurrens) , an- 
other of the unique North American conifers. In shady nooks 
where there is an abundance of moisture the beautiful Wood- 
wardia radicans appears and in dry woods the widely distributed 
Pteris aqailina. The white fir ( Abies concolor) is widely dis- 
tributed in the Rockies and is a fine tree. The beautiful red fir 
(A. magnifica) occurs at higher altitudes. The hillsides contain 
